---
title: "Catch-All Domain Detector - Free checker | FirstSales"
description: "The Catch-All Domain Detector identifies domains configured to accept all email addresses. Understand which domains will accept mail to any address an"
canonical: "https://firstsales.io/tools/catch-all-domain-detector/"
---

100% Free • No SignupEmail Validation & Verificationchecker

# Catch-All Domain Detector

Determine if a domain is configured as catch-all, accepting all emails regardless of mailbox existence. Works instantly without signup.

Instant Results

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Catch-All Domain Detector

Test Catch-All Domain

Check if a domain accepts emails to any mailbox (catch-all configuration)

[Stop doing this by hand. FirstSales runs your email validation & verification on autopilot, 24/7.Start your $1 trial](https://app.firstsales.io)

## Key Features

Catch-all detection

SMTP verification

Configuration analysis

Risk assessment

Handling guidance

## Use Cases

1

List strategy

2

Verification planning

3

Risk assessment

4

Domain profiling

Tool Info

Typechecker

Free

Yes

Signup

Not Required

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Start your $1 trial

Automated cold email sequences

Smart deliverability tools

Built-in analytics

[Start your $1 trial ](https://app.firstsales.io/)

## About Catch-All Domain Detector

The Catch-All Domain Detector identifies domains configured to accept all email addresses. Understand which domains will accept mail to any address and which require exact mailboxes.

## Automate Your Email Validation & Verification

This free tool is great for quick checks. FirstSales automates your entire email validation & verification workflow with AI-powered personalization and 87% inbox placement.

[Start your $1 trial](https://app.firstsales.io)

Setup in 8 minutes • Cancel anytime

## FAQs

Your questions answered

Can't find what you're looking for? Contact our [customer support team](mailto:support@firstsales.io)

### General

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### Deliverability

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Can't find what you're looking for? Contact our [customer support team](mailto:support@firstsales.io)